/* === RESET & BASE === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --red: #ff003c;
    --cyan: #00e5ff;
    --green: #b4ff39;
    --magenta: #ff00ff;
    --frost: #c8d6e5;
    --white: #f0f4ff;
    --dark: #0a0a12;
    --dark-mid: #12121e;
    --dark-blue: #1a1a2e;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--dark);
    color: var(--frost);
    font-family: 'Roboto Slab', serif;
    font-weight: 400;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* === NOISE TEXTURE === */
.noise {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background: repeating-conic-gradient(var(--dark-mid) 0% 25%, transparent 0% 50%) 0 0 / 4px 4px;
}

/* === TYPOGRAPHY === */
h1, h2, h3 {
    font-family: 'Zilla Slab', serif;
    font-weight: 700;
}

h1 {
    font-size: clamp(3rem, 8vw, 7rem);
    color: var(--red);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 5vw, 4rem);
    color: var(--cyan);
}

h3 {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    color: var(--cyan);
    margin-bottom: 0.5rem;
}

.section-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.85rem;
    color: var(--green);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    display: block;
    margin-bottom: 2rem;
}

/* === SECTIONS === */
.section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem;
}

.section-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    width: 100%;
}

/* Diagonal clip-paths */
.section-hero {
    clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
    background: linear-gradient(160deg, var(--dark) 0%, var(--dark-mid) 100%);
    padding-bottom: 10rem;
}

.section-calibrating {
    clip-path: polygon(0 0, 100% 8%, 100% 92%, 0 100%);
    margin-top: -80px;
    background: linear-gradient(200deg, var(--dark-mid) 0%, var(--dark) 100%);
    padding-top: 10rem;
    padding-bottom: 10rem;
}

.section-refracting {
    clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 92%);
    margin-top: -80px;
    background: linear-gradient(160deg, var(--dark) 0%, var(--dark-blue) 100%);
    padding-top: 10rem;
    padding-bottom: 10rem;
}

.section-assembling {
    clip-path: polygon(0 0, 100% 8%, 100% 92%, 0 100%);
    margin-top: -80px;
    background: linear-gradient(200deg, var(--dark-mid) 0%, var(--dark) 100%);
    padding-top: 10rem;
    padding-bottom: 10rem;
}

.section-transmitting {
    clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 100%);
    margin-top: -80px;
    background: linear-gradient(160deg, var(--dark) 0%, var(--dark-mid) 100%);
    padding-top: 10rem;
}

/* === PRISMATIC EDGES === */
.prismatic-edge {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--red), var(--magenta), var(--cyan), var(--green));
    filter: blur(2px);
    z-index: 3;
}

/* === HERO === */
.hero-title {
    display: flex;
    flex-wrap: wrap;
}

.hero-title .char {
    display: inline-block;
    opacity: 0;
    transform: translate(-20px, 10px);
    animation: charIn 0.5s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

.hero-title .char.dot {
    color: var(--cyan);
}

.hero-subtitle {
    font-family: 'Share Tech Mono', monospace;
    color: var(--frost);
    margin-top: 1.5rem;
    font-size: 1.1rem;
    opacity: 0;
    animation: fadeIn 1s 1.5s forwards;
}

@keyframes charIn {
    to {
        opacity: 1;
        transform: translate(0, 0);
    }
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* Scan Line */
.scan-line {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    animation: scanAcross 3s 0.5s ease-out forwards;
    pointer-events: none;
}

@keyframes scanAcross {
    to {
        left: 100%;
    }
}

/* === HERO FLARE === */
.hero-flare {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 1;
}

.flare-core {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,0,60,0.9) 0%, rgba(0,229,255,0.3) 40%, transparent 70%);
    mix-blend-mode: screen;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.flare-streak {
    position: absolute;
    width: 400px;
    height: 10px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(25deg);
    background: linear-gradient(90deg, transparent, rgba(240,244,255,0.7), transparent);
    mix-blend-mode: screen;
}

.flare-streak-2 {
    transform: translate(-50%, -50%) rotate(-35deg);
    width: 300px;
    opacity: 0.6;
}

.flare-ring {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    border: 2px solid rgba(0,229,255,0.15);
    background: radial-gradient(circle, rgba(255,0,255,0.05) 0%, transparent 70%);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: drift 20s ease-in-out infinite alternate;
}

@keyframes drift {
    0% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-45%, -55%) scale(1.05); }
    100% { transform: translate(-55%, -45%) scale(0.95); }
}

/* === CARDS (Section 2) === */
.card-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: rgba(18, 18, 30, 0.8);
    border: 1px solid var(--cyan);
    padding: 2rem;
    position: relative;
    opacity: 0;
    transform: translateX(-40px) translateY(20px);
    transition: opacity 0.7s cubic-bezier(0.23, 1, 0.32, 1), transform 0.7s cubic-bezier(0.23, 1, 0.32, 1), border-color 0.3s;
}

.card.visible {
    opacity: 1;
    transform: translateX(0) translateY(0);
}

.card-column-right .card {
    transform: translateX(40px) translateY(-20px);
}

.card-column-right .card.visible {
    transform: translateX(0) translateY(0);
}

.card:hover {
    border-color: var(--magenta);
}

.diamond-marker {
    width: 12px;
    height: 12px;
    background: var(--cyan);
    transform: rotate(45deg);
    position: absolute;
    top: 1rem;
    right: 1rem;
}

/* === HEX LATTICE (Section 3) === */
.hex-lattice {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hex-svg {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.hex-line {
    stroke: var(--cyan);
    stroke-width: 1.5;
    stroke-dasharray: 300;
    stroke-dashoffset: 300;
    transition: stroke-dashoffset 1.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.hex-lattice.visible .hex-line {
    stroke-dashoffset: 0;
}

.hex-panels {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    width: 100%;
    padding: 2rem;
}

.hex-panel {
    background: rgba(10, 10, 18, 0.9);
    border: 1px solid var(--cyan);
    padding: 2rem;
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.7s 0.5s, transform 0.7s 0.5s;
}

.hex-lattice.visible .hex-panel {
    opacity: 1;
    transform: scale(1);
}

.hex-lattice.visible .hex-panel-2 {
    transition-delay: 0.7s;
}

.hex-lattice.visible .hex-panel-3 {
    transition-delay: 0.9s;
}

/* === SPECIMEN GRID (Section 4) === */
.specimen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
    perspective: 800px;
}

.specimen-card {
    background: rgba(18, 18, 30, 0.8);
    border: 1px solid var(--cyan);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateX(-20px) translateY(15px);
    transition: opacity 0.7s cubic-bezier(0.23, 1, 0.32, 1), transform 0.7s cubic-bezier(0.23, 1, 0.32, 1), border-color 0.3s;
}

.specimen-card.visible {
    opacity: 1;
    transform: translateX(0) translateY(0);
}

.specimen-card:hover {
    border-color: var(--magenta);
    transform: translateZ(20px);
}

.specimen-card:hover .card-flare {
    opacity: 1;
}

.card-flare {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,0,255,0.6) 0%, transparent 70%);
    mix-blend-mode: screen;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.specimen-id {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.75rem;
    color: var(--green);
    letter-spacing: 0.1em;
}

/* === TRANSMITTING (Section 5) === */
.section-transmitting .section-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
}

.tunnel-lines {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.tunnel-line {
    position: absolute;
    width: 2px;
    height: 200%;
    background: linear-gradient(to bottom, transparent, var(--cyan), transparent);
    opacity: 0;
    transition: opacity 1s, transform 1.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.tunnel-line-1 { top: -50%; left: 10%; transform: rotate(10deg) translateY(-100%); }
.tunnel-line-2 { top: -50%; right: 10%; transform: rotate(-10deg) translateY(-100%); }
.tunnel-line-3 { top: -50%; left: 30%; transform: rotate(5deg) translateY(-100%); }
.tunnel-line-4 { top: -50%; right: 30%; transform: rotate(-5deg) translateY(-100%); }

.section-transmitting.visible .tunnel-line {
    opacity: 0.5;
    transform: rotate(0deg) translateY(0);
}

.final-statement {
    position: relative;
    z-index: 2;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s 0.5s, transform 1s 0.5s;
}

.section-transmitting.visible .final-statement {
    opacity: 1;
    transform: translateY(0);
}

.terminal-flare {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,0,60,0.8) 0%, rgba(0,229,255,0.3) 50%, transparent 70%);
    mix-blend-mode: screen;
    margin: 3rem auto 0;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

/* === HEXAGONAL GRID OVERLAY === */
.section::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: repeating-linear-gradient(60deg, rgba(26,26,46,0.4) 0px, transparent 1px, transparent 60px),
                repeating-linear-gradient(120deg, rgba(26,26,46,0.4) 0px, transparent 1px, transparent 60px);
    pointer-events: none;
    z-index: 0;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .card-columns {
        grid-template-columns: 1fr;
    }
    .hex-panels {
        grid-template-columns: 1fr;
    }
    .specimen-grid {
        grid-template-columns: 1fr;
    }
    .flare-core { width: 120px; height: 120px; }
    .flare-ring { width: 200px; height: 200px; }
    .flare-streak { width: 200px; }
}